Numerator of Bernoulli(n,4).

Terms

a(0) =1a(1) =7a(2) =73a(3) =42a(4) =4319a(5) =490a(6) =69553a(7) =5558a(8) =555839a(9) =61362a(10) =13329365a(11) =660814a(12) =5870460269a(13) =6961994a(14) =134611351a(15) =71990310a(16) =117354472543a(17) =732908386a(19) =7365970046a(21) =73244492538a(23) =721860840022